82638640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{853}}^1$

素因数の和:1046

約数の個数: 80

約数和(自身を含む): 221110848

約数和(自身を除く): 138472208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 173, 280, 346, 560, 692, 853, 865, 1211, 1384, 1706, 1730, 2422, 2768, 3412, 3460, 4265, 4844, 5971, 6055, 6824, 6920, 8530, 9688, 11942, 12110, 13648, 13840, 17060, 19376, 23884, 24220, 29855, 34120, 47768, 48440, 59710, 68240, 95536, 96880, 119420, 147569, 238840, 295138, 477680, 590276, 737845, 1032983, 1180552, 1475690, 2065966, 2361104, 2951380, 4131932, 5164915, 5902760, 8263864, 10329830, 11805520, 16527728, 20659660, 41319320, 82638640]

約数ペア:

[(1, 82638640), (2, 41319320), (4, 20659660), (5, 16527728), (7, 11805520), (8, 10329830), (10, 8263864), (14, 5902760), (16, 5164915), (20, 4131932), (28, 2951380), (35, 2361104), (40, 2065966), (56, 1475690), (70, 1180552), (80, 1032983), (112, 737845), (140, 590276), (173, 477680), (280, 295138), (346, 238840), (560, 147569), (692, 119420), (853, 96880), (865, 95536), (1211, 68240), (1384, 59710), (1706, 48440), (1730, 47768), (2422, 34120), (2768, 29855), (3412, 24220), (3460, 23884), (4265, 19376), (4844, 17060), (5971, 13840), (6055, 13648), (6824, 12110), (6920, 11942), (8530, 9688)]